They brought in a little help from Williams to take on the part originally handled by Kimbra, but she wasn’t able to be there in person. Instead, while fun. strummed away across the pond, Hayley joined in from Los Angeles at the legendary Capitol Records recording studio where she and her band Paramore are currently working on their 4th album.

Before tackling the intercontinental performance, she and fun. also rehearsed the track, which she tweeted about:

Ps listening to @OurNameIsFun rehearse over Skype is not so different from the whole hologram thing.